Detergent sulphonic acid and sulphate salts of certain amphoteric detergents



United States Patent DETERGENT SULPHONIC ACID AND SUL- PHATE SALTS OF CERTAIN AMPHOTERIC DETERGENTS Hans S. Mannheimer, New York, N. Y.

No Drawing. Application February 10, 1956, Serial No. 564,637

7 Claims. (Cl'. 260-401) This invention relates to novel compositions and to methods for making them. In one of its more specific aspects, the invention is directed to methods of making and to novel derivatives of a certain class of amino carboxylic acid metal salts, which I shall hereinafter refer to as amino acid metal salts.

Said amino acid metal salts are useful as surface active agents, are employed as starting materials in the practice of this invention, and have the following general Formula I in which R is a hydrocarbon radical of at least 6 carbon atoms and preferably 6-18 carbon atoms, and for most purposes R is preferably such a radical which may be either aliphatic and straight or branch chain or cycloaliphatic or aliphatic-aromatic, with the aliphatic portion being attached to an aromatic nucleus and having at least 3 carbon atoms; Y is selected from the class consisting of Re and Rz-COOM; R2 is an organic group selected from the class consisting of (a) aliphatic, aromatic or aromatic-aliphatic hydrocarbon groups of 1-12 carbon atoms, such as -CH2-, -C2H4-, -CsHs-, -C4Hs-, -C5H1o-, -CsH4-, -C6H4cH2-, (b) hydroxy substituted aliphatic hydrocarbon groups of 1-12 carbon atoms, illustrative examples of which are -CH2CHOHCH2-, -CI-IsCHOH, CHOHCH2-, (c) aliphatic ether groups, each of said groups having at least one ether oxygen linkage therein and otherwise being hydrocarbon of 2-12 carbon atoms, illustrative examples of which are -C2H4OCH2-, canon-CH2 cartoons,

(d) aliphatic ether groups, each of said group having at least one ether oxygen linkage therein and otherwise being hydroxy substituted hydrocarbon of 2-12 carbon atoms, illustrative example of which is CHzCHOHCHzOCHr,

(e) aliphatic keto groups, each of said groups having a single carbonyl linkage therein and otherwise being hyrocarbon of 2-12 carbon atoms, illustrative example of which is -CH2C0CH2-, (f) aliphatic keto groups, each of said groups having a single carbonyl linkage therein and otherwise being hydroxy substituted hydrocarbon of 2-12 carbon atoms, illustrative example of which is -CH2COCHOHCH2-,

-C2H4OCH3, etc,- CHaCoCHOHCHs, -CH2COCH3 2,781,372 Patented Feb. 12, 1957 These various amino acid metal salts may be prepared in a number of diiferent ways well known to the art, among which are the following: 1 mol of is reacted with 1 and 2 mols respectively of an appropriate monhalomonocarboxylic acid, such as nionochloracetic in the presence of aqueous caustic soda, to provide compounds hereinafter known as products A andB respectively and having the following formula:

CHg-CO ONa and /CHr-CO ONu OrHrs-G-N CH2C O ONa respectively; 1 mol of C9Hl9-NH2 may first be reacted with 1 mol of methyl chloride and ethylene chlorhydrin respectively, and subsequently reacted with 1 mol of chlor acetic acid in the presence of aqueous caustic soda to provide compounds hereinafter known as products C and D, having the following formulas:

CaHw-N CHz-O 0 GM: and

C9H19-N CHn-O O O Na respectively; 1 mol of CGHll-NHZ may be reacted with 1 mol of monochlorlactic acid in the presence of aqueous caustic soda to provide compound hereinafter known as product E, having the following formula:

respectively; 1 mol of product A may be reacted with 1 mol of glycerine chlorhydrin and dimethyl hydroxyketone chlorhydrin respectively, to provide products H and I, having the following formulas:

respectively; 1 mol ot CsHn-NI-Ia is reacted with 1 mol of and C3200 CHzOH ethylene chlorhydrin and subsequently reacted with 1 mol of monochlorethoxy acetic acid in the presence of aqueous potassium hydroxide, to provide compound hereinafter known as product K and of. the following formula:

1 mol of CeHra-NHz is reacted with glycerine chlorhydrin, and dimethyl dihydroxyketone chlorhydrin respectively and 1 mol of each of the resulting compounds are reacted with 2 mols of monochloracetic acid in the presence of caustic soda to provide products L and M of the following formulas:

respectively; 1 mol of C17H35-NH2 is reacted with 2 mols of glycerine oxide CHzCHCHaOH and then with 2 mols of monochloracetic acid in the presence of caustic soda in aqueous solution to provide product N of the following formula:

OHgCHOHCHzO CHa-COONa CuHasomonoHomo aim-000M 1 mol of a polyethoxy amine, such as diethoxy amine is first reacted with 1 mol of C11H23Cl and 1 mol of resulting compound is reacted with 1 mol of monochloracetic acid in the presence of potassium hydroxide or with acrylonitrile (CH2=CHCN) and subsequently hydrolized to provide product of the following formula:

CnHsa-N CzH4-COOK 1 mol C1oH21-NH2 is first reacted with one mol of methyl chloride and subsequently reacted with l-5 mols of ethylene oxide or 1-4 mols of propylene oxide and, in this specific instance, 3 mols of ethylene oxide and then with 1 mol of monochloracetic acid in' the presence of caustic to provide product P having the following formula:

(O2H 40)BOHIOO0N8 Clo al- (OgH O),H

1 mO1OfO9H1r-N (OzH40)=H in which x is 1-5, and in this instance is 4, is reacted with 1 and 2 mols of monochloracetic acid respectively in the presence of caustic soda, to provide products Q and R respectively having the following formulas:

(O2H40)4H OnHm-N (O2H40)4CHI-O0ON8. and

(O2H4O)4OH2OO0N& 7

Co in- (W A M PC OONa respectively; 1 mol otOnHn-N in which x is 13, and in this example is 3, is reacted with 1 and 2 mols respectively of monochloracetic acid in the presence of caustic soda, to provide products S and T respectively, having the following formulas:

(CaHeOhCHz-OO 0N9.

' OuHza-N (OzHsOhH and ( a oO)aOHsCOONa Car n-N a a0)aOHaO0 O'Na onto-o0 CNS 1 mole of product CnI-Iss-NHz is first reacted with 1 mole of ClCsHsand then with 1 mole of chloracetic acid in the presence of caustic soda to provide a compound having the following formula and known as product T- OuHza-N I CHz-CO ONa 1 mol of product I is reacted with 1 mol of monochloracetic acid in the presence of caustic soda to provide compound hereinafter known as product U having the following formula:

CHnCO CHnO CHz-COONa and The radical R of all of the formulas hereinbefore and hereinafter set forth is that hereinbefore defined in connection with Formula I. Instead of employing monochloracetic acid, any other appropriate monohalomonocarboxylic acid, such as monochlorproprionic, monochlorlactic acids, etc. may be employed. Thus, by merely substituting the particular monohalomonocarboxylic acid for those'used in the production of the particular compounds hereinbefore set forth, and/ or by employing the various radicals and groups for R6 and R2 but within the definitions thereof as heretofore defined, a very great number together in aqueous solution resulted in the production or formation of water insoluble compounds; and that adding an anionic surface active agent to an aqueous solution of anotheranionic surface active agent resulted in a mere physical combination of said agents and that no react tm would occur between them.

Said amino acid metal salts normally behave anionically in aqueous solutions having a pH above 7, and consequently it was expected that said amino acid metal salts when in aqueous solution together with anionic surface agents that they would be combined physically only and that no chemical reactionwould occur therebetween. In the course of my experimentations, I have discovered that said amino acid metal salts could be reacted with certain anionic surface active agents at a pH above 7 to produce water-soluble reaction products. Not only did I make said discovery, but I further discovered that water solutions of such reaction products had viscosities greater than corresponding aqueous solutions of the amino acid metal salts" and also exhibited better foaming characteristics than did said amino acid metal salts in very low dilutions under extreme water hardness conditions. Said reaction products are non-toxic and non-irritating to the human skin. They have been found eminently useful as general utility detergents, such as for car washing, dish washing, clothes washing, etc. Said amino acid metal salts when used as components of shampoos sometimes caused slight irritation or stinging of the eyes when such shampoos were used and water solutions thereof accidentally reached the eyes. I have further discovered that the reaction products of this invention caused practically no irritation or stinging of the eyes when so employed.

According to this invention, one or a combination of two or more of said amino acid metal salts of the general structural Formula I are reacted with one or a combination of two or more anionic surface active agents of the following general structural Formula II to provide novel, water-soluble compounds having the following general structural Formula III, and having high wetting, detergency, and surface active properties and capable of providing voluminous and stablefoams in aqueous solutions, and which aqueous solutions are substantially nonirritating to the skin and eyes of normal human beings.

FORMULA II 0 Rs R- 3-I TR4-XM FORMULA III Y I RN/ 0 Ba H/ Ra-COOM R l TR4X wherein R3 is selected from the group consisting of (g) hydrogen, (h) aliphatic hydrocarbon radicals of 1-8 carbon atoms, (i) hydroxy substituted aliphatic hydrocarbon radicals of 1-8 carbon atoms, (j) aliphatic radicals, each of said radicals having at least one ether linkage (-O) therein and otherwise being hydrocarbon of 2-8 carbon atoms, (k) aliphatic radicals, each of said radicals having at least one ether linkage (O--) therein and otherwise being hydroxy substituted hydrocarbon of 2-8 carbon atoms, (l) aliphatic radicals, each of said radicals having a keto linkage (-CO-) therein and otherwise being hydrocarbon of 28 carbon atoms, (m) aliphatic radicals, each of said radicals having a keto linkage (-CO) therein and otherwise being hydroxy substituted hydrocarbon of 28 carbon atoms; R; is selected from the group consisting of (n) aliphatic, aromatic, and aromatic-aliphatic hydrocarbon groups of 1-12 carbon atoms, (0) hydroxy substituted aliphatic, aromatic and aromatic-aliphatic hydrocarbon groups of 1-12 carbon atoms, (p) aliphatic groups having at least one ether linkeage (O-) therein and otherwise being hydrocarbon of 2-12 carbon atoms, (q) aliphatic groups, each of said groups having at least one ether (O-) linkage therein and otherwise being hydroxy substituted hydrocarbon of 2-12 carbon atoms, (r) aliphatic groups, each of said groups having a keto linkage (-'-CO--) therein and otherwise being hydrocarbon of 2-12 carbon atoms, (s) aliphatic groups, each'of said groups having a keto linkage (CO-'-) therein and otherwise being hydroxy substituted hydrocarbon of 2-12 carbon atoms, (t) aliphatic groups, each of said groups including a -CONH linkage therein and otherwise being hydrocarbon of 2-12 carbon atoms, (11) aliphatic groups, each of said groups including a -CONH linkage therein and otherwise being hydroxy substituted hydrocarbon of 2-12 carbon atoms; X is selected from the group consisting of (S03) and (0403); and M is an alkali metal, preferably sodium or potassium. R, Y, and R2 have been hereinbefore defined.

According to this invention, I react a compound of Formula I with a compound of Formula II to provide the novel and highly useful compounds of Formula III. In genral this reaction is carried out in a solution containing compounds I and III and to which a quantity of an acidic agent such as a strong mineral acid, as for example hydrochloric, sulphuric or its equivalent, has been added to lower the pH of the solution to a value of approximately 7 to approximately 9 and while maintaining the mass at a temperature between approximately -200 F. In this reaction under the aforesaid conditions, the compounds of Formula III are produced, said compounds having high water solubility. Such compounds of Formula III have an unexpected extremely high water-solubility, while the corresponding salts of cationic compounds are water insol uble. The resultant aqueous solution can be used directly as a surface active agent, wetting agent or detergent for the purposes indicated for the amino acid metal salts. While the quantities of the compound of Formula I and compound of Formula II may be equimolecula-r for good yield of compounds of Formula III, I may employ an excess of either, and in general the mole ratio of a compound of Formula I to compound of Formula II may be 2 moles of the former to 1-3 moles of the latter.

One of the specific methods which I prefer to employ in carrying out an aspect of this invention is to first dissolve a compound of Formula I in water and then the pH thereof is adjusted to approximately 12-13 (measured electrically) by the addition of aqueous caustic soda if required so that when a compound of Formula II is added thereto, the pH of the solution of I and II will be at least 10 and generally -11. The temperature of said solution is raised to 100200 F. and preferably in factory practice to approximately P. Then a quantity of a compound of Formula II is dissolved in water in a separate container and this solution is added to said first solution and the mass is maintained in said temperature range while being constantly stirred, and an acidic agent is added thereto to reduce the pH thereof to a value below 10 and in the range of approximately 7 to 9, and preferably of approximately 8.2 to approximately 8.7. At the end of the acidic agent addition, the stirring is continued and the temperature of the mass maintained for about 10-20 minutes after which the solution is allowed to cool and is a finished product.

The following are specific examples merely given by way of illustrating the invention and are not to be taken by way of limitation, all parts being given by weight unless otherwise specified.

Example 1 An aqueous solution of 300 parts of product A in 450 parts of water is heated to approximately 140 F. and its pH (measured electrically) is adjusted by the addition of aqueous caustic soda to 12-13. While being constantly stirred and maintained at that temperature, there is added a solution of 400 parts of sodium salt of lauroylmonoethanolamide sulfate:

'7 in 600 parts of water. Then while stirring and the temperature is maintained there is added thereto between about 30-40 parts of hydrochloric acid solution (32%) whereby the pH of the mass is lowered toa value in the range Of 8.2 to 8.7. Stirring is continued and the temperature maintained for about 10 minutes more. The resultant product is a solution of the novel reaction product having the following formula:

H CHg-COONa O H C11H23-CIlT-C2H4-O-SO3 Example 2 v Employ the same procedure and components as set forth in Example 1 except that only about 200 parts of the sodium salt of lauroylmonoethanolamide sulfate are used. In this instance, the resultant product is a solution of the novel reaction product whose structural formula is shown in Example 1 together with unreacted product A used, in the approximate proportion of two parts of the former to one Of the latter.

Employ the same procedure as that set forth in Example l, but employ the components indicated in the following Examples 3-21; the quantity of hydrochloric acid solution (32%) is variable to lower the pH to values indicated in Example 1 to obtain the novel reaction products of said Examples 3-2l.

Example 3 380 parts of product B in 600 parts of water. parts of lauroylmethyltaurate sodium salt:

i r CnHza-CN*C:H4S 03-Na in 600 parts of Water.

FORMULA OF NOVEL REACTION PRODUCT H CH2COONa CH3 240 parts of product C in 360 parts of water. 450 parts of oleyldiethanolamide sulfate sodium salt:

0 C2H40H C11H C-NCgH4OSOa-Nu in 550 parts of Water.

FORMULA OF NOVEL REACTION PRODUCT Example 5 CHs-COONa CoHn-N o V H H C11H2aC-Ill(OaH4O)3-'SOa Example 6 210 parts of product 13' in 315 parts of water. 400

parts of lauroylamidediethoxyetherethanolrnonosulphate sodium salt:

390 parts of product F in 585 parts of water. 400 parts of lauroyl amidoethylamidoacetylsulphate sodium salt:

CHzCHOH-CO 0Na 0 H CI1H2Q-( JI I-CZH4NHC 0 0113-3 OK-Na in 600 parts of water.

FORMULA OF NOVEL REACTION PRODUCT H C M ss-N g I? H C2H4OCH2-GOONSL CuHza C-N-CzHrNH C O OHS-S 03 Example 8 270 parts of product G in 400 parts of water. 300 parts of lauroyl sulfanilamide potassium salt:

C11 23-( JI Q'C0H4S Osdissolved in 450 parts of water.

FORMULA OF NOVEL REACTION PRODUCT O2H4OCH2COON8 OnHaa- O H H 011 2a- O I 1OaH4S 0a Example 9 350 parts of product H in 500 parts of Water. 350 parts Of lauroyl amido methyl methyl phenyl sulfonate sodium salt.

021140 CH2C O ONa O I I O11H23-CNCH2 BO3N8 OH OH:

dissolved in 500 parts of water.

FORMULA OF NOVEL REACTION PRODUCT OHzCHOHCH OH O nHzsN H CHr-C O ONa.

OH CH3 Example 10 320 parts of product I in 480 parts Of water. 350 parts Of lauroyl amido ethoxy methyl ethyl sulfate sodium salt:

O CgHaO CH3 CnHqr-CNC:H4S0s-N3 in 600 parts of water.

FORMULA OF NOVEL REACTION PRODUCT CHzC O CHaOH OHa-COON 9 Example 11 375 parts of product K in 550 parts of water.

salt:

CHz-COC s C17 a- C2H4-S0aNB in 600 parts of Water.

FORMULA OF NOVEL REACTION PRODUCT CuHza-N o cHzoocm H ogHiooHl-coox 0,711? N 02m $01 Example 12 400 parts of product L in 600 parts of water.

parts of lauroyl amido acetol ethyl sulfate sodium salt:

(I) (111200 CHZOH C11HzaN-CzH4SO;-Na

FORMULA OF NOVEL REACTION PRODUCT CHzCHOHOH2O CHrCOONfl CH ZB- O CHzCOOHzOH H OHz-COONa CnH23-C-N C2114 SO:

\ Example 13 sodium salt:

0 CH3 I C15Hz 7l l-CH2CHOHCH2O CzIh-O-S Ou-Nt in 600 parts of Water.

FORMULA OF NOVEL REACTION PRODUCT C oHz;N\ (6 ([313 H CHa-COONA CwHzy-C-N-CHzCHOHCHzO CzH -OS 03 Example 14 415 parts of product N in 620 parts of water. parts of lauroyl amido acetol sulfate sodium salt:

OH C11H23OJN'CHg-COOH O-SOr-Na FORMULA OF NOVEL REACTION PRODUCT 400 parts of product M in 600. parts of water. 450 parts of myristol amido methyl glyceryl oxyethyl sulfate CHzCHO CHa-CO ONa CHaCHOHCHzO CHrCOONa 5 i 350 parts of product 0 in 525 parts of water. 300

parts of lauroyl amido acetol potassium salt:

Example 16 350 parts of product P in 525 parts of wziter. 427 parts of stearoyl taurate sodium salt:

11 as- 2 4S0aNa in 750 parts of water.

FORMULA OF NOVEL REACTION PRODUCT 10 (OgH40):OH3-COON3 0 0H: 11 CH,

C 17H55 0211 -3 Os 15 Examples 17-18 A 500 and 680 parts, respectively, of products Q and R respectively, in 1,000 parts of water. 350 parts of octyl sulfanilamide potassium salt: I

CaHn-O-N-CH;SO3K dissolved in 525 parts of Water.

FORMULA OF RESPECTIVE NOVEL REACTION PRODUCTS (C2H4O)4GH2'-COON&

CaHn-N O H H z aoh g C3H17ONCnH4-SO8 cmtojioflrooom CaHaro N H (mmomnr-ooom C|H17 ONOaHt-S 0:

Examples 1920 590 and 700 parts, respective1y, of'respective products S 'and T in 1,000 parts 'of water. 350 parts of hexyl 40 benzoyl taurate sodium salt:

in 525 parts of water.

(CzHaOLCHg-COONa. 5 V CuH2sN 350 parts of product U in 52 5 pairts'of' water. 250 pa-x ts of sodium sa lt of heptyi monoethanolamide sulfate:

actants of Formula I and l mole'of any of the other reactants of Formula II, a great number of other novel reaction products, whose. formulas are those of Formula III, may be produced. It is also tobe understood that any of said reactants of Formula I may be specifically different from those shown in the foregoing by substitut-ing any for the particular R shown, a radical such as C12H25 which is preferable or, any other hydrocarbon radical of 4-18 carbon atoms, Y and R2 also may be varied so that a great variety of starting materials may be used; also "any of said reactants of Formula II may dilfer from those shown in substituting S03 for 0803 and vice-versa.

'It is to be understood that instead of first adjusting the pH of the compound of Formula I to 12- 13 before the addition of the compound of Formula H, any other method may be employed to obtain the condition whereby the pH of the solution of I and II is at least and preferably 10.5-11 before the addition of the acidic agent to lower the pH of the mass to approximately 7 to approximately '9. For example, I and H may be dissolved together and this solution may, by the addition of caustic soda when required, have its pH adjusted to at least 10, and then at *100-200 F. is ready for the addi tion of the acidic agent to lower its pH to approximately 7 to approximately 9. If desired, the required amount of acidic agent may be added either before or after the solution of pH of at least 10 is brought to a temperature in the range of 100-200 F.

Since certain changes in carrying out the aforesaid processes and certain modifications in the compositions which embody the invention may be made without departing from its scope, it is intended that all matter contained in the description shall be interpreted as illustrative and not in a limiting sense.

It is also to be understood that the following claims are intended to cover all the generic and specific features of the invention herein described, and all statements of the scope of the invention which as a matter of language might be said to fall therebetween, I

1 claim: 7

1. A compound of the following formula:

in which R is a hydrocarbon radical of 4- 18 carbon atoms; Y is selected from the class consisting of R6 and RzCOOM; R2 being an organic group selected from the class consisting of (a) aliphatic, aromatic and aromaticaliphatic hydrocarbon groups of 1-12 carbon atoms, (b) hydroxy substituted aliphatic hydrocarbon groups of 1-12 carbon atoms, ((3) aliphatic ether oxygen groups, each of said groups having at least one ether linkage therein and otherwise being hydrocarbon of 2-12 carbon atoms, (d) aliphatic ether groups, each of said groups having at least one ether oxygen linkage therein and otherwise being hydroxy substituted hydrocarbon of 2-12 carbon atoms, (e) aliphatic keto groups, each of said groups having carbonyl linkage therein and otherwise being hydrocarbon of 2-12 carbon atoms, (f) aliphatic keto groups, each of said groups having carbonyl linkage therein and otherwise being hydroxy substituted hydrocarbon of 2-12 carbon atoms, (g) aliphatic ketoether groups, each of said groups having carbonyl and ether oxygen linkages therein and otherwise being hydroxy substituted hydrocarbon of 2-12 carbon atoms; R0 is selected from the class consisting of (h) hydrogen and (i) monovalent radicals otherwise defined in (a) (8),; R3 is selected from theclass consisting of (j) hydrogen, (k) aliphatic hydrocarbon radicals of 1-8 carbon atoms, (l) hydroxy substituted hydrocarbon radicals of l-8 carbon atoms, (m) aliphatic ether radicals, each of said radicals having at least one ether oxygen linkage therein and otherwise being hydrocarbon of 2-8 carbon atoms, In) aliphatic ether radicals, each of said radicals having at least one ether oxygen linkage therein and otherwise being hydroxy substituted hydrocarbon of 2-8 carbon atoms, (0) aliphatic keto radicals, each of said radicals having carbonyl linkage therein and otherwise being hydrocarbon of 2-8 carbon atoms, (p) aliphatic keto radicals, each of said radicals having carbonyl linkage therein and otherwise being hydroxy substituted hydrocarbon of 2-8 carbon atoms; R4 is selected from the class consisting of (q) aliphatic, aromatic and aliphatic-aromatic hydrocarbon groups of 1-12 carbon atoms, (r) aliphatic, aromatic and aromatic-aliphatic hydroxy substituted hydrocarbon groups of '11-2 carbon atoms, (s) aliphatic groups, each group having at least one other oxygen linkage therein and otherwise being hydrocarbon of 2-12 carbon atoms, (t) aliphatic groups, each of said groups having at least one other oxygen linkage therein and otherwise being hydroxy substituted hydrocarbon of 212 carbon atoms, (u) aliphatic keto groups, each of said groups having carbonyl linkage therein and otherwise being hydrocarbon of 2 12 carbon atoms, (v) aliphatic keto groups, each of said groups having carbonyl linkage therein and otherwise being hydroxy substituted hydrocarbon of 21-'2 carbon atoms, (w) aliphatic groups, each of said groups including a CONH linkage therein and otherwise being hydrocarbon of 2-12 carbon atoms, (x) aliphatic groups, each of said groups including a --CONI-I linkage therein and otherwise being hydroxy substituted hydrocarbon of 2-12 carbon atoms; X is selected from the class of S03 and 080s; and M is an alkali metal.

2. A compound of the fol-lowing formula:

/H 7 O H H CHz-COONa in which R is hydrocarbon of 4-18 carbon atoms and X is selected from the group consisting of S03 and 0503.

3. A compound of the following formula:

in which R is hydrocarbon of 4-l8 carbon atoms and X is selected from :the group consisting of S03 and 0803.

4. A compoundof. 't-he foll-owing formula:

5. A compound of the following formula:

' V CHPGO 0N2.

M CuHsr- O H H/ CHzCOONtL CI\ HIS OZHl-OSOS 6. A compound otthe following formula:

, CHgCOONa 09H) H OH,O00Na" 0 cm 14 7. A compound of the ionising formula: References Cited in the file of this patent Oa 4OH UNITED STATES PATENTS C Hm-N 2,103,872 Schoeller et a1 Dec. 28, 1937 O H \OHPCOONa 5 2,329,406 Mauersberger Sept. 14. 1943 

1. A COMPOUND OF THE FOLLOWING FORMULA: 